.box {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: #eee;
  overflow: hidden;
}
.nav {
  width: 18%;
  height: 90%;
  background-color: #fff;
  margin: 20px;
  float: left;
}
.search {
  position: relative;
  left: -5%;
  float: right;
  margin: 5px 0 5px 0;
}
.box2 {
  width: 75%;
  height: calc(100% - 82px);
  background-color: #eee;
  overflow-y: auto;
  box-sizing: border-box;
}
.box1 {
  width: 100%;
  height: 21%;
  background-color: #fff;
  margin: 0 0 10px 0;
  padding: 3px 10px;
  position: relative;
}
.img {
  width: 73px;
  height: 96%;
  float: left;
  margin-right: 10px;
}
.title {
  font-size: 16px;
  padding: 10px 0 5px 0;
}
.btn1 {
  position: absolute;
  left: 78%;
}
.btn2 {
  position: absolute;
  left: 86%;
}
.jianjie {
  font-size: 12px;
  padding: 0 0 3px 0;
}
.author {
  float: left;
  margin: -20px 1px 1px 360px;
  font-size: 12px;
}
.page {
  position: fixed;
  left: 50%;
  bottom: 5px;
}
